(C55) [Sanketsushuu, Tama Center (Sanzui, PLUM, Tama Noboru)] Hitoketa - Single Age (Super Doll Licca-chan)
Asuka no Center ni Irete Switch
[JUNK Center Kameyoko Bldg / SAYA PRODUCTS] Kittsui Seikaku no Kyouiku Mama ga, Jukenki Nomi Kurayami no Naka Nomi to Iu Jouken de Musuko no Sex Dairizuma o Tsutomeru Hanashi.
[Kawai Shun] Odoru! Shokushu Kenkyuujo (Omake manga) | Dance! Tentacle Research Center (Bonus Comic) [Chinese]
Lingsha no Gosan
[Junk Center Kameyoko Bldg] Ryoushin ga Neteiru Shinshitsu ni Shinobikomi, Hahaoya ni Yobai o Kakeru Musuko no Hanashi.
Kensei Center
[Hakaba] Nikubenki Secchihou <Seitokaichou Kanzaki Hitomi no Baai> | Meat toilet installation method. Student council president Kanzaki Hitomi's case (COMIC Mugen Tensei 2019-01) [English] [Digital]
[Yamu] Succubus Install (Haiboku Otome Ecstasy Vol. 5) [Chinese] [驭灵师个人汉化] [Digital]
[Taniguchi-san] Imouto Install (pictures only) [English] [sensualaoi]